mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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944228aec7
* Added documentation for ve.AnnotationSet * Replaced uses of "// Inheritance" with "// parent Constructor" * Added "// Mixin constructor" where needed * Added missing section comments like "/* Static Methods */" * Cleaned up excessive newlines (matching /\n\n\n/g) * Put unnecessarily multi-line statements on a single line Change-Id: I2c9b47ba296f7dd3c9cc2985581fbcefd6d76325
101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
/**
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* VisualEditor content editable namespace.
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*
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* @copyright 2011-2012 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* Namespace for all VisualEditor content editable classes, static methods and static properties.
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*/
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ve.ce = {
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//'nodeFactory': Initialized in ve.ce.NodeFactory.js
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};
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/* Static Members */
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/**
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* RegExp pattern for matching all whitespaces in HTML text.
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*
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* \u0020 (32) space
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* \u00A0 (160) non-breaking space
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*
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* @static
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* @member
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*/
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ve.ce.whitespacePattern = /[\u0020\u00A0]/g;
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/* Static Methods */
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/**
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* Gets the plain text of a DOM element (that is a node canContainContent === true)
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*
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* In the returned string only the contents of text nodes are included, and the contents of
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* non-editable elements are excluded (but replaced with the appropriate number of characters
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* so the offsets match up with the linear model).
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*
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* @static
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* @member
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* @param {DOMElement} element DOM element to get text of
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* @returns {String} Plain text of DOM element
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*/
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ve.ce.getDomText = function ( element ) {
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var func = function ( element ) {
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var nodeType = element.nodeType,
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text = '',
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numChars,
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$element = $( element );
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if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
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if ( $element.hasClass( 've-ce-leafNode' ) ) {
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// For leaf nodes, don't return the content, but return
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// the right amount of characters so the offsets match up
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numChars = $element.data( 'node' ).getOuterLength();
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return new Array( numChars + 1 ).join( '\u2603' );
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} else {
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// Traverse its children
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for ( element = element.firstChild; element; element = element.nextSibling) {
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text += func( element );
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}
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}
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} else if ( nodeType === 3 || nodeType === 4 ) {
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return element.nodeValue;
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}
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return text;
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};
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// Return the text, replacing spaces and non-breaking spaces with spaces?
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// TODO: Why are we replacing spaces (\u0020) with spaces (' ')
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return func( element ).replace( ve.ce.whitespacePattern, ' ' );
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};
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/**
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* Gets a hash of a DOM element's structure.
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*
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* In the returned string text nodes are represented as "#" and elements are represented as "<type>"
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* and "</type>" where "type" is their element name. This effectively generates an HTML
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* serialization without any attributes or text contents. This can be used to observe structural
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* changes.
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*
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* @static
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* @member
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* @param {DOMElement} element DOM element to get hash of
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* @returns {String} Hash of DOM element
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*/
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ve.ce.getDomHash = function ( element ) {
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var nodeType = element.nodeType,
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nodeName = element.nodeName,
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hash = '';
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if ( nodeType === 3 || nodeType === 4 ) {
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return '#';
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} else if ( nodeType === 1 || nodeType === 9 ) {
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hash += '<' + nodeName + '>';
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// Traverse its children
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for ( element = element.firstChild; element; element = element.nextSibling) {
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hash += ve.ce.getDomHash( element );
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}
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hash += '</' + nodeName + '>';
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}
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return hash;
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};
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